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Binder, G.; Stahl, M.; Faulborn, L.: Vergleichsuntersuchung MESSENGER-FULCRUM (2000)
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Belkin, N.J.: ¬An overview of results from Rutgers' investigations of interactive information retrieval (1998)
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Wildemuth, B.M.; Jacob, E.K.; Fullington, A.;; Bliek, R. de; Friedman, C.P.: ¬A detailed analysis of end-user search behaviours (1991)
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